package me.weijing.common.xmpp.manager;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkInfo.DetailedState;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.telephony.TelephonyManager;

/**
 * The Class BeemConnectivity.
 */
public final class BeemConnectivity {

    /**
     * Private constructor to forbid instantiation.
     */
    private BeemConnectivity() {
    }

    /**
     * Checks if is connected.
     * 
     * @param ctx
     *            the ctx
     * @return true, if is connected
     */
    public static boolean isConnected(final Context ctx) {
        ConnectivityManager cm = (ConnectivityManager) ctx.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo ni = cm.getActiveNetworkInfo();
        return ni != null && ni.isConnected();
    }

    /**
     * Checks if is wifi.
     * 
     * @param ctx
     *            the ctx
     * @return true, if is wifi
     */
    public static boolean isWifi(final Context ctx) {
        WifiManager wm = (WifiManager) ctx.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wi = wm.getConnectionInfo();
        if (wi != null
                && (WifiInfo.getDetailedStateOf(wi.getSupplicantState()) == DetailedState.OBTAINING_IPADDR || WifiInfo.getDetailedStateOf(wi
                        .getSupplicantState()) == DetailedState.CONNECTED)) {
            return false;
        }
        return false;
    }

    /**
     * Checks if is umts.
     * 
     * @param ctx
     *            the ctx
     * @return true, if is umts
     */
    public static boolean isUmts(final Context ctx) {
        TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
        return tm.getNetworkType() >= TelephonyManager.NETWORK_TYPE_UMTS;
    }

    /**
     * Checks if is edge.
     * 
     * @param ctx
     *            the ctx
     * @return true, if is edge
     */
    public static boolean isEdge(final Context ctx) {
        TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
        return tm.getNetworkType() == TelephonyManager.NETWORK_TYPE_EDGE;
    }

}
